mame/3rdparty/asmjit/test/asmjit_test_opcode.cpp
2020-05-28 20:24:40 +07:00

109 lines
3.2 KiB
C++

// AsmJit - Machine code generation for C++
//
// * Official AsmJit Home Page: https://asmjit.com
// * Official Github Repository: https://github.com/asmjit/asmjit
//
// Copyright (c) 2008-2020 The AsmJit Authors
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would be
// appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and must not be
// misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source distribution.
// This file is used to test opcodes generated by AsmJit. Output can be
// disassembled in your IDE or by your favorite disassembler. Instructions
// are grouped by category and then sorted alphabetically.
#include <asmjit/x86.h>
#include <stdio.h>
#include <stdlib.h>
#include "./asmjit_test_opcode.h"
using namespace asmjit;
struct OpcodeDumpInfo {
uint32_t archId;
bool useRex1;
bool useRex2;
};
static const char* archIdToString(uint32_t archId) {
switch (archId) {
case ArchInfo::kIdNone: return "None";
case ArchInfo::kIdX86 : return "X86";
case ArchInfo::kIdX64 : return "X64";
case ArchInfo::kIdA32 : return "A32";
case ArchInfo::kIdA64 : return "A64";
default:
return "<unknown>";
}
}
struct TestErrorHandler : public ErrorHandler {
virtual void handleError(Error err, const char* message, BaseEmitter* origin) {
(void)origin;
printf("ERROR 0x%08X: %s\n", err, message);
}
};
typedef void (*VoidFunc)(void);
int main() {
TestErrorHandler eh;
OpcodeDumpInfo infoList[] = {
{ ArchInfo::kIdX86, false, false },
{ ArchInfo::kIdX64, false, false },
{ ArchInfo::kIdX64, false, true },
{ ArchInfo::kIdX64, true , false },
{ ArchInfo::kIdX64, true , true }
};
for (uint32_t i = 0; i < ASMJIT_ARRAY_SIZE(infoList); i++) {
const OpcodeDumpInfo& info = infoList[i];
printf("Opcodes [ARCH=%s REX1=%s REX2=%s]\n",
archIdToString(info.archId),
info.useRex1 ? "true" : "false",
info.useRex2 ? "true" : "false");
CodeHolder code;
code.init(CodeInfo(info.archId));
code.setErrorHandler(&eh);
#ifndef ASMJIT_NO_LOGGING
FileLogger logger(stdout);
logger.addFlags(FormatOptions::kFlagMachineCode);
code.setLogger(&logger);
#endif
x86::Assembler a(&code);
asmtest::generateOpcodes(a.as<x86::Emitter>(), info.useRex1, info.useRex2);
// If this is the host architecture the code generated can be executed
// for debugging purposes (the first instruction is ret anyway).
if (code.archId() == ArchInfo::kIdHost) {
JitRuntime runtime;
VoidFunc p;
Error err = runtime.add(&p, &code);
if (err == kErrorOk) p();
}
}
return 0;
}